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參數(shù)資料
| 型號(hào)： | NCP4894MNR2G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 1/19頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 1W DIFF 10-DFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | AB 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 1.8W x 1 @ 8 歐姆 |
| 電源電壓： | 2.2 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，差分輸入，短路和熱保護(hù)，關(guān)閉 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 10-DFN（3x3） |
| 封裝/外殼： | 10-VFDFN 裸露焊盤 |
| 包裝： | 剪切帶 (CT) |
| 其它名稱： | NCP4894MNR2GOSCT |
Semiconductor Components Industries, LLC, 2007
January, 2007 Rev. 9
1
Publication Order Number:
NCP4894/D
NCP4894
1.8 Watt Differential Audio
Power Amplifier with
Selectable Shutdown
The NCP4894 is a differential audio power amplifier designed for
portable communication device applications. This feature and the
excellent audio characteristics of the NCP4894 are a guarantee of a
high quality sound, for example, in mobile phones applications. With
a 10% THD+N value the NCP4894 is capable of delivering 1.8 W of
continuous average power to an 8.0
W load from a 5.5 V power
supply. With the same load conditions and a 5.0 V battery voltage, it
ensures 1.0 W to be delivered with less than 0.01% distortion.
The NCP4894 provides high quality audio while requiring few
external components and minimal power consumption. It features a
lowpower consumption shutdown mode.
To be flexible, shutdown may be enabled by either a logic high or
low depending on the voltage applied on the SD MODE pin.
The NCP4894 contains circuitry to prevent from “pop and click”
noise that would otherwise occur during turnon and turnoff
transitions.
For maximum flexibility, the NCP4894 provides an externally
controlled gain (with resistors), as well as an externally controlled
turnon time (with bypass capacitor).
Due to its excellent PSRR, it can be directly connected to the
battery, saving the use of an LDO.
This device is available in 9Pin FlipChip, Micro10 and DFN10
3x3 mm packages.
Features
Differential Amplification
Shutdown High or Low Selectivity
1.0 W to an 8.0 W Load from a 5.0 V Power Supply
Superior PSRR: Direct Connection to the Battery
“Pop and Click” Noise Protection Circuit
Ultra Low Current Shutdown Mode
2.2 V5.5 V Operation
External Gain Configuration Capability
External Turnon Configuration Capability
Thermal Overload Protection Circuitry
PbFree Packages are Available
Typical Applications
Portable Electronic Devices
PDAs
Mobile Phones
9PIN FLIPCHIP
FC SUFFIX
CASE 499AL
http://onsemi.com
xxxx
= Specific Device Code
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W, WW = Work Week
G
= PbFree Package
(Note: Microdot may be in either location)
MARKING
DIAGRAMS
Micro10
DM SUFFIX
CASE 846B
1
8
1
See detailed ordering and shipping information in the package
dimensions section on page 15 of this data sheet.
ORDERING INFORMATION
xxx
G
AYWW
A1
A3
C1
xxxx
AYW
G
DFN10
MN SUFFIX
CASE 485C
xxx
ALYW
G
1
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